Drug Use

Studies

Johns Hopkins

PI: August Holtyn

Cocaine Use

Users:

25

Person-Days:

350

Samples:

18 billion

Sensors

• AutoSense• MotionSense• Phone

Description

This study is designed to extend previous work in the development of methods to automatically detect the timing of cocaine use from cardiac interbeat interval and physical activity data derived from wearable, unobtrusive mobile sensor technologies.